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Population & demographics
All demographic data for Trevi: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Trevi.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Trevi.
Trevi is a medium-sized municipality in the province of Perugia, Umbria region. With a population of 7969 inhabitants and a density of 112 per km², it covers an area of 71.1 km². The average declared income is 21.051 €.
Trevi in numbers: the analysis
Demographic projections to 2050 estimate about 7,067 inhabitants for Trevi: an expected decline of 11.3% from today.
Among the 59 municipalities of the province of Perugia, Trevi ranks 18 by population.
Trevi has grown substantially since 1951: from 7,341 inhabitants then to 7,969 in 2026, an increase of 8.6%.
The ageing index is one of the starkest signals: in Trevi there are 250 residents over 65 for every 100 under 14, well above the national average.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 8253 |
| 2020 | 8243 |
| 2021 | 8130 |
| 2022 | 8127 |
| 2023 | 8076 |
| 2024 | 7959 |
| 2025 | 7927 |
| 2026 | 7969 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 3916 | 49.1% |
| Women | 4053 | 50.9% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 33 |
| 2022 | 36 |
| 2023 | 47 |
| 2024 | 42 |
| 2025 | 51 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 7341 |
| 1961 | 7080 |
| 1971 | 6548 |
| 1981 | 7094 |
| 1991 | 7427 |
| 2001 | 7773 |
| 2011 | 8335 |
| 2019 | 8253 |
| 2020 | 8243 |
| 2021 | 8130 |
| 2022 | 8127 |
| 2023 | 8076 |
| 2024 | 7959 |
| 2025 | 7927 |
| 2026 | 7969 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 6712 | 42.3% |
| Married | 7220 | 45.5% |
| Divorced | 592 | 3.7% |
| Widowed | 1330 | 8.4% |
School-Age Population (2026)
Total 0-18 years: 1213
| Valore | |
|---|---|
| Nido (0-2) | 138 |
| Infanzia (3-5) | 123 |
| Primaria (6-10) | 310 |
| Medie (11-13) | 248 |
| Superiori (14-18) | 394 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Trevi population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/trevi-054054" title="Population pyramid of Trevi — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/trevi-054054" alt="Population pyramid of Trevi — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>